Squashed commit of the following:

commit 8cb19d181d6a9ca13d13cd41a0b19e3bd1e7dfe9
Merge: ae3f7e5 c2e7a24
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Fri Jun 7 14:47:55 2013 +0200

    Merge branch 'master' into bug-8222-mab-master

commit ae3f7e5b89b66634445ec86e8834ff7cd7e023cf
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Fri Jun 7 14:47:33 2013 +0200

    Redesigned multiple recipient list for some screens.

commit 68d9d5b11f65e8d299b4c4dc3e6f40d05dd5df9d
Merge: c2617b5 694c883
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Fri Jun 7 09:21:43 2013 +0200

    Merge branch 'master' into bug-8222-mab-master

commit c2617b503053ef3162bbd96c327bf20318573db5
Merge: 1b2b38b fc235f6
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Mon Jun 3 11:19:46 2013 +0200

    Merge branch 'master' into bug-8222-mab-master

commit 1b2b38b6930bbb087ca2fa2439a95e3421435498
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Mon Jun 3 11:19:20 2013 +0200

    First version.

commit 6e1abba198726b949d36b967ff4ed2aa3dc33b1b
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Fri May 31 10:39:55 2013 +0200

    Added setTimeout() call in order to avoid crashes on iOS.

commit 5261ac2bc5e5f60327b35961ccf146d735be2b6f
Author: Marc Bonsels <marc.bonsels@otrs.com>
Date:   Fri May 31 10:23:30 2013 +0200

    Improved usability of accordion widget.